Class: PacketGen::Header::SCTP::ShutdownChunk

Inherits:

BaseChunk

• Object
• Types::Fields
• Base
• BaseChunk
• PacketGen::Header::SCTP::ShutdownChunk

Defined in:

lib/packetgen/header/sctp/chunk.rb

Overview

Shutdown association Chunk

       0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|   Type = 7    |  Chunk Flags  |          Length = 8           |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                      Cumulative TSN Ack                       |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Author:

• Sylvain Daubert

Since:

• 3.4.0

Constant Summary

Constants inherited from BaseChunk

BaseChunk::TYPES

Instance Attribute Summary

• #cstn_ack ⇒ Integer

  32-bit cumulative TSN ack.

Attributes inherited from BaseChunk

#length, #type

Instance Method Summary

• #initialize(options = {}) ⇒ ShutdownChunk constructor

  A new instance of ShutdownChunk.

Methods inherited from BaseChunk

#calc_length, #human_type, #to_human

Methods included from Padded32

#padded?, #to_s

Methods inherited from Base

bind, calculate_and_set_length, #header_id, inherited, #ip_header, #ll_header

Methods included from PacketGen::Headerable

#added_to_packet, included, #method_name, #packet, #packet=, #parse?, #protocol_name, #read

Methods inherited from Types::Fields

#[], #[]=, #bits_on, define_bit_fields_on, define_field, define_field_after, define_field_before, #fields, fields, inherited, #inspect, #offset_of, #optional?, #optional_fields, #present?, #read, remove_bit_fields_on, remove_field, #sz, #to_h, #to_s, update_field

Constructor Details

#initialize(options = {}) ⇒ ShutdownChunk

Returns a new instance of ShutdownChunk.

Since:

• 3.4.0

# File 'lib/packetgen/header/sctp/chunk.rb', line 469

def initialize(options={})
  options[:type] = BaseChunk::TYPES['SHUTDOWN'] unless options.key?(:type)
  options[:length] = 8 unless options.key?(:length)
  super
end

Instance Attribute Details

#cstn_ack ⇒ Integer

32-bit cumulative TSN ack

Returns:

• (Integer)

# File 'lib/packetgen/header/sctp/chunk.rb', line 467

define_field :ctsn_ack, Types::Int32